Miami County ZIP Codes
Ohio, United States · 14 codes
Miami County in Ohio has 14 ZIP codes, from 45308 to 45383, serving 14 places.
ZIP codes in Miami
Frequently asked questions
What is the ZIP code of Miami?
Miami has 14 ZIP codes, from 45308 to 45383. The table lists the places each one serves.
How many places are listed in Miami County?
14 places.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.